ST Suspensions ST X Coilover Kit

Part #: 1322000J

Overview

The ST X Coilover Kit for the 2015-2016 BMW 428i Gran Coupe is designed to enhance your vehicle’s handling and appearance with simple, reliable performance. Crafted for the everyday driver who values a balanced ride, this coilover system offers a combination of comfort and precise control. Whether you're looking to improve cornering response or achieve a more aggressive stance, this kit helps you customize your vehicle’s height and look while maintaining road comfort and stability. Its straightforward design makes it suitable for drivers who want a practical upgrade without complicated installation or tuning. This coilover kit is ideal for those seeking a versatile suspension upgrade that supports confident handling and a tailored appearance. It is perfect for daily driving, spirited canyon runs, or light track use, providing a noticeable improvement in ride quality and responsiveness. The adjustable components allow you to fine-tune your ride height and stiffness, helping you achieve the desired balance between comfort and performance.

Key Features

This coilover kit features durable construction and thoughtful design to deliver reliable performance and ease of use. Key features include:

• High-quality steel components with corrosion-resistant coatings for durability
• Adjustable spring perches for precise ride height customization
• Friction-optimized spring seats for smooth height adjustments
• Progressive spring rates designed to balance comfort and handling
• Easy bolt-on installation with compatible mounting points
• Enhanced stability and reduced body roll during cornering
• Support for improved vehicle stance and aesthetic appeal

Construction & Design

The ST X Coilover Kit is engineered with robust steel components and features adjustable spring perches made of durable materials to withstand road conditions and provide long-lasting performance. The design emphasizes ease of adjustment and consistent ride quality, ensuring your vehicle remains responsive and stable across various driving scenarios.

Driving Feel & Feedback

This coilover system helps improve handling response and driver engagement by providing a more controlled and predictable ride. The adjustable height and stiffness allow you to tailor the driving experience, enhancing feedback during spirited driving while maintaining comfort for daily use.

Installation & Fitment

Installation involves replacing the factory suspension components with the coilover kit, requiring basic tools and mechanical knowledge. Fitment should be verified against the vehicle’s specifications and the part number to ensure compatibility.

What’s Included

The package includes all necessary coilover components, hardware, and adjustment tools required for installation and setup.